2 There are ( )common factors of 16 and 28. (A)1 (B)2 (C)3 (D)4 相关知识点: 试题来源: 解析 优质解答反馈 收藏
解析 A。12 的约数有 1、2、3、4、6、12,18 的约数有 1、2、3、6、9、18,它们的公约数是 1、2、3。选项 B 中 4 不是 12 和 18 的公约数。选项 C 中 4 和 5 不是 12 和 18 的公约数。选项 D 中 4、5、6 都不是 12 和 18 的公约数。
百度试题 结果1 题目1Which of the following are common factors of 16 and 28? 2(1) 1 and 3(2) 2 and 4(3) 3 and 4(4)4 and 7 相关知识点: 试题来源: 解析 2 反馈 收藏
百度试题 结果1 题目6. The common factors of 36 and 45 are (3)and(1) 1, 2 and 3(2) 1. 3 and 5(3) 1, 3 and 9(4) 1, 36 and 45 相关知识点: 试题来源: 解析 (3) 反馈 收藏
Circle the common prime factors. Find the greatest common factor and the least common multiple of these two numbers. 5【题目】Write the prime factorizations of 9 and 15. Circle the common prime factors. Find the greatest commonfactor and the least common multiple of these two numbers....
百度试题 结果1 题目 6. The common factors of 36 and 45 are and(3)◆(1)1, 2 and 3(2)1. 3 and 5(3)1, 3 and 9(4) 1, 36 and 45 相关知识点: 试题来源: 解析 (3) 反馈 收藏
百度试题 结果1 题目5Which of the following are common factors of 18 and 45?3(1)1, 3 and 5(2) 1, 3 and 6(3) 1, 3 and 9(4) 1, 3 and 15 相关知识点: 试题来源: 解析 3 反馈 收藏
百度试题 结果1 题目4The common factors of 12 and 30 are 1, 2, 3 and (2)(1)10(2)6(3)5(4)4 相关知识点: 试题来源: 解析 (2) 反馈 收藏
百度试题 结果1 题目The common prime factors of 24 and 60 are 2,2,3 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
百度试题 结果1 题目Write the prime factorizations of 12 and 15. Circle the common prime factors. Find the greatest common factor of these two numbers. 相关知识点: 试题来源: 解析 3. 12=2×2×3, 15=3×5,GCF:3反馈 收藏